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Table 6 Influence of interfering cations and anions on recovery percentage, R (%), of 10 μg ml–1 of each heavy metal ions using DiGu.MC. conditions: 0.4 g l–1 DiGu.MC, stirring time 60 min, pH 6 at 25 °C

From: Novel diaminoguanidine functionalized cellulose: synthesis, characterization, adsorption characteristics and application for ICP-AES determination of copper(II), mercury(II), lead(II) and cadmium(II) from aqueous solutions

Interfering ions Concen (μg ml–1) % Removal
Cu2+ Hg2+ Pb2+ Cd2+
Mg2+ 50 99.4 99.1 99.4 77.6
Fe2+ 50 98.1 98.2 97.4 75.6
Ca2+ 50 100 100 99.7 77.6
Al3+ 50 97.7 94.2 98.2 74.7
\({\text{PO}}_{4}^{3 - }\) 50 98.6 98.4 99.1 76.5
Acetate 50 97.1 98.4 96.2 76.1
Oxalate 50 98.4 98.2 98.4 73.2
Edetate 50 96.2 97.1 96.1 72.6